/*
 * Copyright 2010 Kevin L'Huillier <klhuillier@gmail.com>
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package org.lhuillier.pwsafe.io.v3;


import org.lhuillier.pwsafe.io.DecryptionFailedException;
import org.lhuillier.pwsafe.io.RawDb;
import org.lhuillier.pwsafe.io.StretchedKey;
import org.lhuillier.pwsafe.model.Database;


public interface V3DbReader {
    /**
     * Reads an encrypted database from the binary data and decrypts it using
     * the key. The decrypted binary data is then decoded and the final
     * Database instance is returned.
     *
     * @throws DecryptionFailedException if the DB was found corrupt or the
     *   key appears to be invalid
     */
    Database load(byte[] data, StretchedKey key)
            throws DecryptionFailedException;
    
    /**
     * Reads an encrypted database from the binary data and decrypts it using
     * the key. The raw binary fields are returned.
     */
    RawDb loadRaw(byte[] data, StretchedKey key)
            throws DecryptionFailedException;

    StretchedKey stretchKey(byte[] data, String password);
}
